Home / 757,788.34-1,045,673.41-418,234.70

Finding the Fourth Proportional to 757,788.34, 1,045,673.41 and 418,234.70

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Solution

The fourth proportional to 757,788.34, 1,045,673.41 and 418,234.70 is: 577,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,788.34 : 1,045,673.41 = 418,234.70 : x
  2. Step 2: Convert to fraction form
    757,788.34/1,045,673.41 = 418,234.70/x
  3. Step 3: Cross multiply
    757,788.34x = 1,045,673.41 × 418,234.70
  4. Step 4: Simplify right side
    757,788.34x = 437,336,904,929.33
  5. Step 5: Solve for x
    x = 437,336,904,929.33/757,788.34
  6. Step 6: Final answer
    x = 577,122.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.